Adiabatic quantum games and phase-transition-like behavior between optimal strategies
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Data
2018-06-01
Autores
de Ponte, M. A. [UNESP]
Santos, Alan C.
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Resumo
In this paper we propose a game of a single qubit whose strategies can be implemented adiabatically. In addition, we show how to implement the strategies of a quantum game through controlled adiabatic evolutions, where we analyze the payment of a quantum player for various situations of interest: (1) when the players receive distinct payments, (2) when the initial state is an arbitrary superposition, and (3) when the device that implements the strategy is inefficient. Through a graphical analysis, it is possible to notice that the curves that represent the gains of the players present a behavior similar to the curves that give rise to a phase transition in thermodynamics. These transitions are associated with optimal strategy changes and occur in the absence of entanglement and interaction between the players.
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Palavras-chave
Adiabatic evolution, Phase-transition-like behavior, Quantum games
Como citar
Quantum Information Processing, v. 17, n. 6, 2018.